(19)
(11) EP 3 971 512 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
08.06.2022 Bulletin 2022/23

(43) Date of publication A2:
23.03.2022 Bulletin 2022/12

(21) Application number: 21189958.8

(22) Date of filing: 05.08.2021
(51) International Patent Classification (IPC): 
F28G 1/16(2006.01)
F28G 15/00(2006.01)
F28D 1/04(2006.01)
F28G 15/10(2006.01)
B08B 3/02(2006.01)
F28G 9/00(2006.01)
F28G 3/16(2006.01)
F24F 11/00(2018.01)
F28G 15/02(2006.01)
B05B 7/16(2006.01)
B08B 9/023(2006.01)
(52) Cooperative Patent Classification (CPC):
F28G 1/166; F28G 9/00; F28G 15/003; F28F 2265/20; F28D 2021/0068; F28G 2015/006; F28G 3/166; F28D 1/04; F28G 15/02; F28G 15/10; B05B 7/1613; B05B 7/166; B05B 7/1686; B08B 3/02; B08B 9/023; F24F 2221/225; F24F 2221/22; F24F 2221/125
(84) Designated Contracting States:
AL AT BE BG CH CY CZ DE DK EE ES FI FR GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated Extension States:
BA ME
Designated Validation States:
KH MA MD TN

(30) Priority: 22.09.2020 KR 20200122414
24.03.2021 KR 20210037830

(71) Applicants:
  • Choi, Sang Pil
    21679 (KR)
  • Choi, Sang-Mu
    Busan 47871 (KR)

(72) Inventors:
  • CHOI, Sang Pil
    21679 Namdong-gu, Incheon (KR)
  • CHOI, Sang Mu
    47871 Soemi-ro 81beon-gil, Dongnae-gu, Busan (KR)

(74) Representative: Stöckeler, Ferdinand et al
Schoppe, Zimmermann, Stöckeler Zinkler, Schenk & Partner mbB Patentanwälte Radlkoferstrasse 2
81373 München
81373 München (DE)

   


(54) SYSTEM AND MODULE FOR AUTOMATICALLY WASHING AND STERILIZING HEAT EXCHANGER OF CEILING MOUNTED AIR CONDITIONER INDOOR UNIT


(57) A system for automatically washing and sterilizing a heat exchanger of a system air conditioner is proposed. The system for automatically washing and sterilizing a heat exchanger of a system air conditioner according to an embodiment includes: a washer body including an air compressor, a compressed air tank, a detergent liquid tank, a washing water tank, a washing water tank, a high-pressure pump, a hot air generator, a steam generator, and a hot air generator; a washing module that sprays washing water, etc., supplied from the ground during rotation thereof to a cooling fin by a spray nozzle, thus washing the cooling fin; a waste water collection vinyl cover that collects waste water dropping when the cooling fin is washed; and a controller configured to control the washing module that sprays washing water, etc., to the cooling fin.







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